Home / 578,555.02-864,314.22-374,488.79

Finding the Fourth Proportional to 578,555.02, 864,314.22 and 374,488.79

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Solution

The fourth proportional to 578,555.02, 864,314.22 and 374,488.79 is: 559,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,555.02 : 864,314.22 = 374,488.79 : x
  2. Step 2: Convert to fraction form
    578,555.02/864,314.22 = 374,488.79/x
  3. Step 3: Cross multiply
    578,555.02x = 864,314.22 × 374,488.79
  4. Step 4: Simplify right side
    578,555.02x = 323,675,982,106.02
  5. Step 5: Solve for x
    x = 323,675,982,106.02/578,555.02
  6. Step 6: Final answer
    x = 559,455.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.